git.oblomov.eu Git - wine/blob - dlls/shell32/shfldr_unixfs.c

   1 /*
   2  * UNIXFS - Shell namespace extension for the unix filesystem
   3  *
   4  * Copyright (C) 2005 Michael Jung
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <stdarg.h>
  24 #include <limits.h>
  25 #include <dirent.h>
  26 #ifdef HAVE_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29 #ifdef HAVE_SYS_STAT_H
  30 # include <sys/stat.h>
  31 #endif
  32 #ifdef HAVE_PWD_H
  33 # include <pwd.h>
  34 #endif
  35 #include <grp.h>
  36 #include <limits.h>
  37
  38 #define COBJMACROS
  39 #define NONAMELESSUNION
  40 #define NONAMELESSSTRUCT
  41
  42 #include "windef.h"
  43 #include "winbase.h"
  44 #include "winuser.h"
  45 #include "objbase.h"
  46 #include "winreg.h"
  47 #include "shlwapi.h"
  48 #include "winternl.h"
  49 #include "wine/debug.h"
  50
  51 #include "shell32_main.h"
  52 #include "shellfolder.h"
  53 #include "shfldr.h"
  54 #include "shresdef.h"
  55 #include "pidl.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  58
  59 const GUID CLSID_UnixFolder = {0xcc702eb2, 0x7dc5, 0x11d9, {0xc6, 0x87, 0x00, 0x04, 0x23, 0x8a, 0x01, 0xcd}};
  60 const GUID CLSID_UnixDosFolder = {0x9d20aae8, 0x0625, 0x44b0, {0x9c, 0xa7, 0x71, 0x88, 0x9c, 0x22, 0x54, 0xd9}};
  61
  62 #define ADJUST_THIS(c,m,p) ((c*)(((long)p)-(long)&(((c*)0)->lp##m##Vtbl)))
  63 #define STATIC_CAST(i,p) ((i*)&p->lp##i##Vtbl)
  64
  65 /* FileStruct reserves one byte for szNames, thus we don't have to
  66  * alloc a byte for the terminating '\0' of 'name'. Two of the
  67  * additional bytes are for SHITEMID's cb field. One is for IDLDATA's
  68  * type field. One is for FileStruct's szNames field, to terminate
  69  * the alternate DOS name, which we don't use here.
  70  */
  71 #define SHITEMID_LEN_FROM_NAME_LEN(n) \
  72     (sizeof(USHORT)+sizeof(PIDLTYPE)+sizeof(FileStruct)+(n)+sizeof(char))
  73 #define NAME_LEN_FROM_LPSHITEMID(s) \
  74     (((LPSHITEMID)s)->cb-sizeof(USHORT)-sizeof(PIDLTYPE)-sizeof(FileStruct)-sizeof(char))
  75
  76 #define PATHMODE_UNIX 0
  77 #define PATHMODE_DOS  1
  78
  79 /* UnixFolder object layout and typedef.
  80  */
  81 typedef struct _UnixFolder {
  82     const IShellFolder2Vtbl  *lpIShellFolder2Vtbl;
  83     const IPersistFolder2Vtbl *lpIPersistFolder2Vtbl;
  84     const ISFHelperVtbl *lpISFHelperVtbl;
  85     LONG m_cRef;
  86     CHAR *m_pszPath;
  87     LPITEMIDLIST m_pidlLocation;
  88     DWORD m_dwPathMode;
  89     DWORD m_dwAttributes;
  90 } UnixFolder;
  91
  92 /******************************************************************************
  93  * UNIXFS_is_rooted_at_desktop [Internal]
  94  *
  95  * Checks if the unixfs namespace extension is rooted at desktop level.
  96  *
  97  * RETURNS
  98  *  TRUE, if unixfs is rooted at desktop level
  99  *  FALSE, if not.
 100  */
 101 BOOL UNIXFS_is_rooted_at_desktop(void) {
 102     HKEY hKey;
 103     WCHAR *pwszCLSID_UnixDosFolder, wszRootedAtDesktop[69 + CHARS_IN_GUID] = {
 104         'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
 105         'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 106         'E','x','p','l','o','r','e','r','\\','D','e','s','k','t','o','p','\\',
 107         'N','a','m','e','S','p','a','c','e','\\',0 };
 108
 109     if (FAILED(StringFromCLSID(&CLSID_UnixDosFolder, &pwszCLSID_UnixDosFolder)))
 110         return FALSE;
 111
 112     lstrcatW(wszRootedAtDesktop, pwszCLSID_UnixDosFolder);
 113     CoTaskMemFree(pwszCLSID_UnixDosFolder);
 114
 115     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wszRootedAtDesktop, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
 116         return FALSE;
 117
 118     RegCloseKey(hKey);
 119     return TRUE;
 120 }
 121
 122 /******************************************************************************
 123  * UNIXFS_is_pidl_of_type [INTERNAL]
 124  *
 125  * Checks for the first SHITEMID of an ITEMIDLIST if it passes a filter.
 126  *
 127  * PARAMS
 128  *  pIDL    [I] The ITEMIDLIST to be checked.
 129  *  fFilter [I] Shell condition flags, which specify the filter.
 130  *
 131  * RETURNS
 132  *  TRUE, if pIDL is accepted by fFilter
 133  *  FALSE, otherwise
 134  */
 135 static inline BOOL UNIXFS_is_pidl_of_type(LPITEMIDLIST pIDL, SHCONTF fFilter) {
 136     LPPIDLDATA pIDLData = _ILGetDataPointer(pIDL);
 137     if (!(fFilter & SHCONTF_INCLUDEHIDDEN) && pIDLData &&
 138         (pIDLData->u.file.uFileAttribs & FILE_ATTRIBUTE_HIDDEN))
 139     {
 140         return FALSE;
 141     }
 142     if (_ILIsFolder(pIDL) && (fFilter & SHCONTF_FOLDERS)) return TRUE;
 143     if (_ILIsValue(pIDL) && (fFilter & SHCONTF_NONFOLDERS)) return TRUE;
 144     return FALSE;
 145 }
 146
 147 /******************************************************************************
 148  * UNIXFS_is_dos_device [Internal]
 149  *
 150  * Determines if a unix directory corresponds to any dos device.
 151  *
 152  * PARAMS
 153  *  statPath [I] The stat struct of the directory, as returned by stat(2).
 154  *
 155  * RETURNS
 156  *  TRUE, if statPath corresponds to any dos drive letter
 157  *  FALSE, otherwise
 158  */
 159 static BOOL UNIXFS_is_dos_device(const struct stat *statPath) {
 160     struct stat statDrive;
 161     char *pszDrivePath;
 162     DWORD dwDriveMap;
 163     WCHAR wszDosDevice[4] = { 'A', ':', '\\', 0 };
 164
 165     for (dwDriveMap = GetLogicalDrives(); dwDriveMap; dwDriveMap >>= 1, wszDosDevice[0]++) {
 166         if (!(dwDriveMap & 0x1)) continue;
 167         pszDrivePath = wine_get_unix_file_name(wszDosDevice);
 168         if (pszDrivePath && !stat(pszDrivePath, &statDrive)) {
 169             HeapFree(GetProcessHeap(), 0, pszDrivePath);
 170             if ((statPath->st_dev == statDrive.st_dev) && (statPath->st_ino == statDrive.st_ino))
 171                 return TRUE;
 172         }
 173     }
 174     return FALSE;
 175 }
 176
 177 /******************************************************************************
 178  * UNIXFS_get_unix_path [Internal]
 179  *
 180  * Convert an absolute dos path to an absolute canonicalized unix path.
 181  * Evaluate "/.", "/.." and symbolic links.
 182  *
 183  * PARAMS
 184  *  pszDosPath       [I] An absolute dos path
 185  *  pszCanonicalPath [O] Buffer of length FILENAME_MAX. Will receive the canonical path.
 186  *
 187  * RETURNS
 188  *  Success, TRUE
 189  *  Failure, FALSE - Path not existent, too long, insufficient rights, to many symlinks
 190  */
 191 static BOOL UNIXFS_get_unix_path(LPCWSTR pszDosPath, char *pszCanonicalPath)
 192 {
 193     char *pPathTail, *pElement, *pCanonicalTail, szPath[FILENAME_MAX], *pszUnixPath;
 194     struct stat fileStat;
 195
 196     TRACE("(pszDosPath=%s, pszCanonicalPath=%p)\n", debugstr_w(pszDosPath), pszCanonicalPath);
 197
 198     if (!pszDosPath || pszDosPath[1] != ':')
 199         return FALSE;
 200
 201     pszUnixPath = wine_get_unix_file_name(pszDosPath);
 202     if (!pszUnixPath) return FALSE;
 203     strcpy(szPath, pszUnixPath);
 204     HeapFree(GetProcessHeap(), 0, pszUnixPath);
 205
 206     /* pCanonicalTail always points to the end of the canonical path constructed
 207      * thus far. pPathTail points to the still to be processed part of the input
 208      * path. pElement points to the path element currently investigated.
 209      */
 210     *pszCanonicalPath = '\0';
 211     pCanonicalTail = pszCanonicalPath;
 212     pPathTail = szPath;
 213
 214     do {
 215         char cTemp;
 216         int cLinks = 0;
 217
 218         pElement = pPathTail;
 219         pPathTail = strchr(pPathTail+1, '/');
 220         if (!pPathTail) /* Last path element may not be terminated by '/'. */
 221             pPathTail = pElement + strlen(pElement);
 222         /* Temporarily terminate the current path element. Will be restored later. */
 223         cTemp = *pPathTail;
 224         *pPathTail = '\0';
 225
 226         /* Skip "/." path elements */
 227         if (!strcmp("/.", pElement)) {
 228             *pPathTail = cTemp;
 229             continue;
 230         }
 231
 232         /* Remove last element in canonical path for "/.." elements, then skip. */
 233         if (!strcmp("/..", pElement)) {
 234             char *pTemp = strrchr(pszCanonicalPath, '/');
 235             if (pTemp)
 236                 pCanonicalTail = pTemp;
 237             *pCanonicalTail = '\0';
 238             *pPathTail = cTemp;
 239             continue;
 240         }
 241
 242         /* lstat returns zero on success. */
 243         if (lstat(szPath, &fileStat))
 244             return FALSE;
 245
 246         if (S_ISLNK(fileStat.st_mode)) {
 247             char szSymlink[FILENAME_MAX];
 248             int cLinkLen, cTailLen;
 249
 250             /* Avoid infinite loop for recursive links. */
 251             if (++cLinks > 64)
 252                 return FALSE;
 253
 254             cLinkLen = readlink(szPath, szSymlink, FILENAME_MAX);
 255             if (cLinkLen < 0)
 256                 return FALSE;
 257
 258             *pPathTail = cTemp;
 259             cTailLen = strlen(pPathTail);
 260
 261             if (szSymlink[0] == '/') {
 262                 /* Absolute link. Copy to szPath, concat remaining path and start all over. */
 263                 if (cLinkLen + cTailLen + 1 > FILENAME_MAX)
 264                     return FALSE;
 265
 266                 /* Avoid double slashes. */
 267                 if (szSymlink[cLinkLen-1] == '/' && pPathTail[0] == '/') {
 268                     szSymlink[cLinkLen-1] = '\0';
 269                     cLinkLen--;
 270                 }
 271
 272                 memcpy(szSymlink + cLinkLen, pPathTail, cTailLen + 1);
 273                 memcpy(szPath, szSymlink, cLinkLen + cTailLen + 1);
 274                 *pszCanonicalPath = '\0';
 275                 pCanonicalTail = pszCanonicalPath;
 276                 pPathTail = szPath;
 277             } else {
 278                 /* Relative link. Expand into szPath and continue. */
 279                 char szTemp[FILENAME_MAX];
 280                 int cTailLen = strlen(pPathTail);
 281
 282                 if (pElement - szPath + 1 + cLinkLen + cTailLen + 1 > FILENAME_MAX)
 283                     return FALSE;
 284
 285                 memcpy(szTemp, pPathTail, cTailLen + 1);
 286                 memcpy(pElement + 1, szSymlink, cLinkLen);
 287                 memcpy(pElement + 1 + cLinkLen, szTemp, cTailLen + 1);
 288                 pPathTail = pElement;
 289             }
 290         } else {
 291             /* Regular directory or file. Copy to canonical path */
 292             if (pCanonicalTail - pszCanonicalPath + pPathTail - pElement + 1 > FILENAME_MAX)
 293                 return FALSE;
 294
 295             memcpy(pCanonicalTail, pElement, pPathTail - pElement + 1);
 296             pCanonicalTail += pPathTail - pElement;
 297             *pPathTail = cTemp;
 298         }
 299     } while (pPathTail[0] == '/');
 300
 301     TRACE("--> %s\n", debugstr_a(pszCanonicalPath));
 302
 303     return TRUE;
 304 }
 305
 306 /******************************************************************************
 307  * UNIXFS_build_shitemid [Internal]
 308  *
 309  * Constructs a new SHITEMID for the last component of path 'pszUnixPath' into
 310  * buffer 'pIDL'.
 311  *
 312  * PARAMS
 313  *  pszUnixPath [I] An absolute path. The SHITEMID will be build for the last component.
 314  *  pIDL        [O] SHITEMID will be constructed here.
 315  *
 316  * RETURNS
 317  *  Success: A pointer to the terminating '\0' character of path.
 318  *  Failure: NULL
 319  *
 320  * NOTES
 321  *  Minimum size of pIDL is SHITEMID_LEN_FROM_NAME_LEN(strlen(last_component_of_path)).
 322  *  If what you need is a PIDLLIST with a single SHITEMID, don't forget to append
 323  *  a 0 USHORT value.
 324  */
 325 static char* UNIXFS_build_shitemid(char *pszUnixPath, void *pIDL) {
 326     LARGE_INTEGER time;
 327     FILETIME fileTime;
 328     LPPIDLDATA pIDLData;
 329     struct stat fileStat;
 330     char *pszComponent;
 331     int cComponentLen;
 332
 333     TRACE("(pszUnixPath=%s, pIDL=%p)\n", debugstr_a(pszUnixPath), pIDL);
 334
 335     /* Compute the SHITEMID's length and wipe it. */
 336     pszComponent = strrchr(pszUnixPath, '/') + 1;
 337     cComponentLen = strlen(pszComponent);
 338     memset(pIDL, 0, SHITEMID_LEN_FROM_NAME_LEN(cComponentLen));
 339     ((LPSHITEMID)pIDL)->cb = SHITEMID_LEN_FROM_NAME_LEN(cComponentLen) ;
 340
 341     /* We are only interested in regular files and directories. */
 342     if (stat(pszUnixPath, &fileStat)) return NULL;
 343     if (!S_ISDIR(fileStat.st_mode) && !S_ISREG(fileStat.st_mode)) return NULL;
 344
 345     /* Set shell32's standard SHITEMID data fields. */
 346     pIDLData = _ILGetDataPointer((LPCITEMIDLIST)pIDL);
 347     pIDLData->type = S_ISDIR(fileStat.st_mode) ? PT_FOLDER : PT_VALUE;
 348     pIDLData->u.file.dwFileSize = (DWORD)fileStat.st_size;
 349     RtlSecondsSince1970ToTime( fileStat.st_mtime, &time );
 350     fileTime.dwLowDateTime = time.u.LowPart;
 351     fileTime.dwHighDateTime = time.u.HighPart;
 352     FileTimeToDosDateTime(&fileTime, &pIDLData->u.file.uFileDate, &pIDLData->u.file.uFileTime);
 353     pIDLData->u.file.uFileAttribs = 0;
 354     if (S_ISDIR(fileStat.st_mode)) pIDLData->u.file.uFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
 355     if (pszComponent[0] == '.') pIDLData->u.file.uFileAttribs |=  FILE_ATTRIBUTE_HIDDEN;
 356     memcpy(pIDLData->u.file.szNames, pszComponent, cComponentLen);
 357
 358     return pszComponent + cComponentLen;
 359 }
 360
 361 /******************************************************************************
 362  * UNIXFS_path_to_pidl [Internal]
 363  *
 364  * PARAMS
 365  *  pUnixFolder [I] If path is relative, pUnixFolder represents the base path
 366  *  path        [I] An absolute unix or dos path or a path relativ to pUnixFolder
 367  *  ppidl       [O] The corresponding ITEMIDLIST. Release with SHFree/ILFree
 368  *
 369  * RETURNS
 370  *  Success: TRUE
 371  *  Failure: FALSE, invalid params or out of memory
 372  *
 373  * NOTES
 374  *  pUnixFolder also carries the information if the path is expected to be unix or dos.
 375  */
 376 static BOOL UNIXFS_path_to_pidl(UnixFolder *pUnixFolder, const WCHAR *path, LPITEMIDLIST *ppidl) {
 377     LPITEMIDLIST pidl;
 378     int cSubDirs, cPidlLen, cPathLen;
 379     char *pSlash, szCompletePath[FILENAME_MAX], *pNextPathElement;
 380
 381     TRACE("pUnixFolder=%p, path=%s, ppidl=%p\n", pUnixFolder, debugstr_w(path), ppidl);
 382
 383     if (!ppidl || !path)
 384         return FALSE;
 385
 386     /* Build an absolute path and let pNextPathElement point to the interesting
 387      * relative sub-path. We need the absolute path to call 'stat', but the pidl
 388      * will only contain the relative part.
 389      */
 390     if ((pUnixFolder->m_dwPathMode == PATHMODE_DOS) && (path[1] == ':'))
 391     {
 392         /* Absolute dos path. Convert to unix */
 393         if (!UNIXFS_get_unix_path(path, szCompletePath))
 394             return FALSE;
 395         pNextPathElement = szCompletePath;
 396     }
 397     else if ((pUnixFolder->m_dwPathMode == PATHMODE_UNIX) && (path[0] == '/'))
 398     {
 399         /* Absolute unix path. Just convert to ANSI. */
 400         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath, FILENAME_MAX, NULL, NULL);
 401         pNextPathElement = szCompletePath;
 402     }
 403     else
 404     {
 405         /* Relative dos or unix path. Concat with this folder's path */
 406         int cBasePathLen = strlen(pUnixFolder->m_pszPath);
 407         memcpy(szCompletePath, pUnixFolder->m_pszPath, cBasePathLen);
 408         WideCharToMultiByte(CP_ACP, 0, path, -1, szCompletePath + cBasePathLen,
 409                             FILENAME_MAX - cBasePathLen, NULL, NULL);
 410         pNextPathElement = szCompletePath + cBasePathLen - 1;
 411
 412         /* If in dos mode, replace '\' with '/' */
 413         if (pUnixFolder->m_dwPathMode == PATHMODE_DOS) {
 414             char *pBackslash = strchr(pNextPathElement, '\\');
 415             while (pBackslash) {
 416                 *pBackslash = '/';
 417                 pBackslash = strchr(pBackslash, '\\');
 418             }
 419         }
 420     }
 421
 422     /* Special case for the root folder. */
 423     if (!strcmp(szCompletePath, "/")) {
 424         *ppidl = pidl = (LPITEMIDLIST)SHAlloc(sizeof(USHORT));
 425         if (!pidl) return FALSE;
 426         pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 427         return TRUE;
 428     }
 429
 430     /* Remove trailing slash, if present */
 431     cPathLen = strlen(szCompletePath);
 432     if (szCompletePath[cPathLen-1] == '/')
 433         szCompletePath[cPathLen-1] = '\0';
 434
 435     if ((szCompletePath[0] != '/') || (pNextPathElement[0] != '/')) {
 436         ERR("szCompletePath: %s, pNextPathElment: %s\n", szCompletePath, pNextPathElement);
 437         return FALSE;
 438     }
 439
 440     /* At this point, we have an absolute unix path in szCompletePath
 441      * and the relative portion of it in pNextPathElement. Both starting with '/'
 442      * and _not_ terminated by a '/'. */
 443     TRACE("complete path: %s, relative path: %s\n", szCompletePath, pNextPathElement);
 444
 445     /* Count the number of sub-directories in the path */
 446     cSubDirs = 0;
 447     pSlash = pNextPathElement;
 448     while (pSlash) {
 449         cSubDirs++;
 450         pSlash = strchr(pSlash+1, '/');
 451     }
 452
 453     /* Allocate enough memory to hold the path. The -cSubDirs is for the '/'
 454      * characters, which are not stored in the ITEMIDLIST. */
 455     cPidlLen = strlen(pNextPathElement) - cSubDirs + cSubDirs * SHITEMID_LEN_FROM_NAME_LEN(0) + sizeof(USHORT);
 456     *ppidl = pidl = (LPITEMIDLIST)SHAlloc(cPidlLen);
 457     if (!pidl) return FALSE;
 458
 459     /* Concatenate the SHITEMIDs of the sub-directories. */
 460     while (*pNextPathElement) {
 461         pSlash = strchr(pNextPathElement+1, '/');
 462         if (pSlash) *pSlash = '\0';
 463         pNextPathElement = UNIXFS_build_shitemid(szCompletePath, pidl);
 464         if (pSlash) *pSlash = '/';
 465
 466         if (!pNextPathElement) {
 467             SHFree(pidl);
 468             return FALSE;
 469         }
 470         pidl = ILGetNext(pidl);
 471     }
 472     pidl->mkid.cb = 0; /* Terminate the ITEMIDLIST */
 473
 474     if ((int)pidl-(int)*ppidl+sizeof(USHORT) != cPidlLen) /* We've corrupted the heap :( */
 475         ERR("Computed length of pidl incorrect. Please report.\n");
 476
 477     return TRUE;
 478 }
 479
 480 /******************************************************************************
 481  * UnixFolder
 482  *
 483  * Class whose heap based instances represent unix filesystem directories.
 484  */
 485
 486 static void UnixFolder_Destroy(UnixFolder *pUnixFolder) {
 487     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
 488
 489     SHFree(pUnixFolder->m_pszPath);
 490     ILFree(pUnixFolder->m_pidlLocation);
 491     SHFree(pUnixFolder);
 492 }
 493
 494 static HRESULT WINAPI UnixFolder_IShellFolder2_QueryInterface(IShellFolder2 *iface, REFIID riid,
 495     void **ppv)
 496 {
 497     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 498
 499     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
 500
 501     if (!ppv) return E_INVALIDARG;
 502
 503     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellFolder, riid) ||
 504         IsEqualIID(&IID_IShellFolder2, riid))
 505     {
 506         *ppv = &This->lpIShellFolder2Vtbl;
 507     } else if (IsEqualIID(&IID_IPersistFolder2, riid) || IsEqualIID(&IID_IPersistFolder, riid) ||
 508                IsEqualIID(&IID_IPersist, riid))
 509     {
 510         *ppv = &This->lpIPersistFolder2Vtbl;
 511     } else if (IsEqualIID(&IID_ISFHelper, riid)) {
 512         *ppv = &This->lpISFHelperVtbl;
 513     } else {
 514         *ppv = NULL;
 515         return E_NOINTERFACE;
 516     }
 517
 518     IUnknown_AddRef((IUnknown*)*ppv);
 519     return S_OK;
 520 }
 521
 522 static ULONG WINAPI UnixFolder_IShellFolder2_AddRef(IShellFolder2 *iface) {
 523     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 524
 525     TRACE("(iface=%p)\n", iface);
 526
 527     return InterlockedIncrement(&This->m_cRef);
 528 }
 529
 530 static ULONG WINAPI UnixFolder_IShellFolder2_Release(IShellFolder2 *iface) {
 531     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 532     ULONG cRef;
 533
 534     TRACE("(iface=%p)\n", iface);
 535
 536     cRef = InterlockedDecrement(&This->m_cRef);
 537
 538     if (!cRef)
 539         UnixFolder_Destroy(This);
 540
 541     return cRef;
 542 }
 543
 544 static HRESULT WINAPI UnixFolder_IShellFolder2_ParseDisplayName(IShellFolder2* iface, HWND hwndOwner,
 545     LPBC pbcReserved, LPOLESTR lpszDisplayName, ULONG* pchEaten, LPITEMIDLIST* ppidl,
 546     ULONG* pdwAttributes)
 547 {
 548     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 549     BOOL result;
 550
 551     TRACE("(iface=%p, hwndOwner=%p, pbcReserved=%p, lpszDisplayName=%s, pchEaten=%p, ppidl=%p, "
 552           "pdwAttributes=%p) stub\n", iface, hwndOwner, pbcReserved, debugstr_w(lpszDisplayName),
 553           pchEaten, ppidl, pdwAttributes);
 554
 555     result = UNIXFS_path_to_pidl(This, lpszDisplayName, ppidl);
 556     if (result && pdwAttributes && *pdwAttributes)
 557     {
 558         IShellFolder *pParentSF;
 559         LPCITEMIDLIST pidlLast;
 560         HRESULT hr;
 561
 562         hr = SHBindToParent(This->m_pidlLocation, &IID_IShellFolder, (LPVOID*)&pParentSF, &pidlLast);
 563         if (FAILED(hr)) return E_FAIL;
 564         IShellFolder_GetAttributesOf(pParentSF, 1, &pidlLast, pdwAttributes);
 565         IShellFolder_Release(pParentSF);
 566     }
 567
 568     if (!result) TRACE("FAILED!\n");
 569     return result ? S_OK : E_FAIL;
 570 }
 571
 572 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter);
 573
 574 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumObjects(IShellFolder2* iface, HWND hwndOwner,
 575     SHCONTF grfFlags, IEnumIDList** ppEnumIDList)
 576 {
 577     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 578     IUnknown *newIterator;
 579     HRESULT hr;
 580
 581     TRACE("(iface=%p, hwndOwner=%p, grfFlags=%08lx, ppEnumIDList=%p)\n",
 582             iface, hwndOwner, grfFlags, ppEnumIDList);
 583
 584     newIterator = UnixSubFolderIterator_Constructor(This, grfFlags);
 585     hr = IUnknown_QueryInterface(newIterator, &IID_IEnumIDList, (void**)ppEnumIDList);
 586     IUnknown_Release(newIterator);
 587
 588     return hr;
 589 }
 590
 591 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToObject(IShellFolder2* iface, LPCITEMIDLIST pidl,
 592     LPBC pbcReserved, REFIID riid, void** ppvOut)
 593 {
 594     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 595     IPersistFolder2 *persistFolder;
 596     LPITEMIDLIST pidlSubFolder;
 597     HRESULT hr;
 598
 599     TRACE("(iface=%p, pidl=%p, pbcReserver=%p, riid=%p, ppvOut=%p)\n",
 600             iface, pidl, pbcReserved, riid, ppvOut);
 601
 602     if (!pidl || !pidl->mkid.cb)
 603         return E_INVALIDARG;
 604
 605     if (This->m_dwPathMode == PATHMODE_DOS)
 606         hr = UnixDosFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 607     else
 608         hr = UnixFolder_Constructor(NULL, &IID_IPersistFolder2, (void**)&persistFolder);
 609
 610     if (!SUCCEEDED(hr)) return hr;
 611     hr = IPersistFolder_QueryInterface(persistFolder, riid, (void**)ppvOut);
 612
 613     pidlSubFolder = ILCombine(This->m_pidlLocation, pidl);
 614     IPersistFolder2_Initialize(persistFolder, pidlSubFolder);
 615     IPersistFolder2_Release(persistFolder);
 616     ILFree(pidlSubFolder);
 617
 618     return hr;
 619 }
 620
 621 static HRESULT WINAPI UnixFolder_IShellFolder2_BindToStorage(IShellFolder2* This, LPCITEMIDLIST pidl,
 622     LPBC pbcReserved, REFIID riid, void** ppvObj)
 623 {
 624     TRACE("stub\n");
 625     return E_NOTIMPL;
 626 }
 627
 628 static HRESULT WINAPI UnixFolder_IShellFolder2_CompareIDs(IShellFolder2* iface, LPARAM lParam,
 629     LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 630 {
 631     BOOL isEmpty1, isEmpty2;
 632     HRESULT hr = E_FAIL;
 633     LPITEMIDLIST firstpidl;
 634     IShellFolder2 *psf;
 635     int compare;
 636
 637     TRACE("(iface=%p, lParam=%ld, pidl1=%p, pidl2=%p)\n", iface, lParam, pidl1, pidl2);
 638
 639     isEmpty1 = !pidl1 || !pidl1->mkid.cb;
 640     isEmpty2 = !pidl2 || !pidl2->mkid.cb;
 641
 642     if (isEmpty1 && isEmpty2)
 643         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, 0);
 644     else if (isEmpty1)
 645         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 646     else if (isEmpty2)
 647         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 648
 649     if (_ILIsFolder(pidl1) && !_ILIsFolder(pidl2))
 650         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 651     if (!_ILIsFolder(pidl1) && _ILIsFolder(pidl2))
 652         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 653
 654     compare = CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
 655                              _ILGetTextPointer(pidl1), NAME_LEN_FROM_LPSHITEMID(pidl1),
 656                              _ILGetTextPointer(pidl2), NAME_LEN_FROM_LPSHITEMID(pidl2));
 657
 658     if ((compare == CSTR_LESS_THAN) || (compare == CSTR_GREATER_THAN))
 659         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)((compare == CSTR_LESS_THAN)?-1:1));
 660
 661     if (pidl1->mkid.cb < pidl2->mkid.cb)
 662         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)-1);
 663     else if (pidl1->mkid.cb > pidl2->mkid.cb)
 664         return MAKE_HRESULT(SEVERITY_SUCCESS, 0, (WORD)1);
 665
 666     firstpidl = ILCloneFirst(pidl1);
 667     pidl1 = ILGetNext(pidl1);
 668     pidl2 = ILGetNext(pidl2);
 669
 670     hr = IShellFolder2_BindToObject(iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID*)&psf);
 671     if (SUCCEEDED(hr)) {
 672         hr = IShellFolder_CompareIDs(psf, lParam, pidl1, pidl2);
 673         IShellFolder2_Release(psf);
 674     }
 675
 676     ILFree(firstpidl);
 677     return hr;
 678 }
 679
 680 static HRESULT WINAPI UnixFolder_IShellFolder2_CreateViewObject(IShellFolder2* iface, HWND hwndOwner,
 681     REFIID riid, void** ppv)
 682 {
 683     HRESULT hr = E_INVALIDARG;
 684
 685     TRACE("(iface=%p, hwndOwner=%p, riid=%p, ppv=%p) stub\n", iface, hwndOwner, riid, ppv);
 686
 687     if (!ppv) return E_INVALIDARG;
 688     *ppv = NULL;
 689
 690     if (IsEqualIID(&IID_IShellView, riid)) {
 691         LPSHELLVIEW pShellView;
 692
 693         pShellView = IShellView_Constructor((IShellFolder*)iface);
 694         if (pShellView) {
 695             hr = IShellView_QueryInterface(pShellView, riid, ppv);
 696             IShellView_Release(pShellView);
 697         }
 698     }
 699
 700     return hr;
 701 }
 702
 703 static HRESULT WINAPI UnixFolder_IShellFolder2_GetAttributesOf(IShellFolder2* iface, UINT cidl,
 704     LPCITEMIDLIST* apidl, SFGAOF* rgfInOut)
 705 {
 706     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 707     HRESULT hr = S_OK;
 708
 709     TRACE("(iface=%p, cidl=%u, apidl=%p, rgfInOut=%p)\n", iface, cidl, apidl, rgfInOut);
 710
 711     if (!rgfInOut || (cidl && !apidl))
 712         return E_INVALIDARG;
 713
 714     if (cidl == 0) {
 715         *rgfInOut &= This->m_dwAttributes;
 716     } else {
 717         char szAbsolutePath[FILENAME_MAX], *pszRelativePath;
 718         UINT i;
 719
 720         *rgfInOut &= SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME|
 721                      SFGAO_FILESYSTEM;
 722         lstrcpyA(szAbsolutePath, This->m_pszPath);
 723         pszRelativePath = szAbsolutePath + lstrlenA(szAbsolutePath);
 724         for (i=0; i<cidl; i++) {
 725             if ((*rgfInOut & SFGAO_FILESYSTEM) && !(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
 726                 struct stat fileStat;
 727                 char *pszName = _ILGetTextPointer(apidl[i]);
 728                 if (!pszName) return E_INVALIDARG;
 729                 lstrcpyA(pszRelativePath, pszName);
 730                 if (stat(szAbsolutePath, &fileStat) || !UNIXFS_is_dos_device(&fileStat))
 731                     *rgfInOut &= ~SFGAO_FILESYSTEM;
 732             }
 733             if (!_ILIsFolder(apidl[i]))
 734                 *rgfInOut &= ~(SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR);
 735         }
 736     }
 737
 738     return hr;
 739 }
 740
 741 static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* iface, HWND hwndOwner,
 742     UINT cidl, LPCITEMIDLIST* apidl, REFIID riid, UINT* prgfInOut, void** ppvOut)
 743 {
 744     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 745
 746     TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
 747         iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
 748
 749     if (IsEqualIID(&IID_IContextMenu, riid)) {
 750         *ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);
 751         return S_OK;
 752     } else if (IsEqualIID(&IID_IDataObject, riid)) {
 753         *ppvOut = IDataObject_Constructor(hwndOwner, This->m_pidlLocation, apidl, cidl);
 754         return S_OK;
 755     } else if (IsEqualIID(&IID_IExtractIconA, riid)) {
 756         LPITEMIDLIST pidl;
 757         if (cidl != 1) return E_FAIL;
 758         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 759         *ppvOut = (LPVOID)IExtractIconA_Constructor(pidl);
 760         SHFree(pidl);
 761         return S_OK;
 762     } else if (IsEqualIID(&IID_IExtractIconW, riid)) {
 763         LPITEMIDLIST pidl;
 764         if (cidl != 1) return E_FAIL;
 765         pidl = ILCombine(This->m_pidlLocation, apidl[0]);
 766         *ppvOut = (LPVOID)IExtractIconW_Constructor(pidl);
 767         SHFree(pidl);
 768         return S_OK;
 769     } else if (IsEqualIID(&IID_IDropTarget, riid)) {
 770         FIXME("IDropTarget\n");
 771         return E_FAIL;
 772     } else if (IsEqualIID(&IID_IShellLinkW, riid)) {
 773         FIXME("IShellLinkW\n");
 774         return E_FAIL;
 775     } else if (IsEqualIID(&IID_IShellLinkA, riid)) {
 776         FIXME("IShellLinkA\n");
 777         return E_FAIL;
 778     } else {
 779         FIXME("Unknown interface %s in GetUIObjectOf\n", debugstr_guid(riid));
 780         return E_NOINTERFACE;
 781     }
 782 }
 783
 784 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDisplayNameOf(IShellFolder2* iface,
 785     LPCITEMIDLIST pidl, SHGDNF uFlags, STRRET* lpName)
 786 {
 787     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 788     HRESULT hr = S_OK;
 789
 790     TRACE("(iface=%p, pidl=%p, uFlags=%lx, lpName=%p)\n", iface, pidl, uFlags, lpName);
 791
 792     if ((GET_SHGDN_FOR(uFlags) & SHGDN_FORPARSING) &&
 793         (GET_SHGDN_RELATION(uFlags) != SHGDN_INFOLDER))
 794     {
 795         if (!pidl->mkid.cb) {
 796             lpName->uType = STRRET_CSTR;
 797             strcpy(lpName->u.cStr, This->m_pszPath);
 798             if (This->m_dwPathMode == PATHMODE_DOS) {
 799                 char path[MAX_PATH];
 800                 GetFullPathNameA(lpName->u.cStr, MAX_PATH, path, NULL);
 801                 PathRemoveBackslashA(path);
 802                 strcpy(lpName->u.cStr, path);
 803             }
 804         } else {
 805             IShellFolder *pSubFolder;
 806             USHORT emptyIDL = 0;
 807
 808             hr = IShellFolder_BindToObject(iface, pidl, NULL, &IID_IShellFolder, (void**)&pSubFolder);
 809             if (!SUCCEEDED(hr)) return hr;
 810
 811             hr = IShellFolder_GetDisplayNameOf(pSubFolder, (LPITEMIDLIST)&emptyIDL, uFlags, lpName);
 812             IShellFolder_Release(pSubFolder);
 813         }
 814     } else {
 815         char *pszFileName = _ILGetTextPointer(pidl);
 816         lpName->uType = STRRET_CSTR;
 817         strcpy(lpName->u.cStr, pszFileName ? pszFileName : "");
 818     }
 819
 820     /* If in dos mode, do some post-processing on the path.
 821      * (e.g. remove filename extension, if uFlags & SHGDN_FOREDITING)
 822      */
 823     if (SUCCEEDED(hr) && This->m_dwPathMode == PATHMODE_DOS)
 824         SHELL_FS_ProcessDisplayFilename(lpName->u.cStr, uFlags);
 825
 826     TRACE("--> %s\n", lpName->u.cStr);
 827
 828     return hr;
 829 }
 830
 831 static HRESULT WINAPI UnixFolder_IShellFolder2_SetNameOf(IShellFolder2* iface, HWND hwnd,
 832     LPCITEMIDLIST pidl, LPCOLESTR lpszName, SHGDNF uFlags, LPITEMIDLIST* ppidlOut)
 833 {
 834     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 835
 836     char szSrc[FILENAME_MAX], szDest[FILENAME_MAX];
 837     int cBasePathLen = lstrlenA(This->m_pszPath);
 838     struct stat statDest;
 839     LPITEMIDLIST pidlNew;
 840
 841     TRACE("(iface=%p, hwnd=%p, pidl=%p, lpszName=%s, uFlags=0x%08lx, ppidlOut=%p)\n",
 842           iface, hwnd, pidl, debugstr_w(lpszName), uFlags, ppidlOut);
 843
 844     /* pidl has to contain a single non-empty SHITEMID */
 845     if (_ILIsDesktop(pidl) || !_ILIsPidlSimple(pidl) || !_ILGetTextPointer(pidl))
 846         return E_INVALIDARG;
 847
 848     if (ppidlOut)
 849         *ppidlOut = NULL;
 850
 851     /* build source path */
 852     memcpy(szSrc, This->m_pszPath, cBasePathLen);
 853     lstrcpyA(szSrc+cBasePathLen, _ILGetTextPointer(pidl));
 854
 855     /* build destination path */
 856     if (uFlags & SHGDN_FORPARSING) { /* absolute path in lpszName */
 857         WideCharToMultiByte(CP_ACP, 0, lpszName, -1, szDest, FILENAME_MAX, NULL, NULL);
 858     } else {
 859         memcpy(szDest, This->m_pszPath, cBasePathLen);
 860         WideCharToMultiByte(CP_ACP, 0, lpszName, -1, szDest+cBasePathLen,
 861                             FILENAME_MAX-cBasePathLen, NULL, NULL);
 862     }
 863
 864     TRACE("src=%s dest=%s\n", szSrc, szDest);
 865
 866     /* Fail, if destination does already exist */
 867     if (!stat(szDest, &statDest))
 868         return E_FAIL;
 869
 870     /* Rename the file and inform the shell */
 871     if (!rename(szSrc, szDest) && UNIXFS_path_to_pidl(This, lpszName, &pidlNew)) {
 872         LPITEMIDLIST pidlSrc = ILCombine(This->m_pidlLocation, pidl);
 873         LPITEMIDLIST pidlDest = ILCombine(This->m_pidlLocation, pidlNew);
 874         if (_ILIsFolder(pidlNew))
 875             SHChangeNotify(SHCNE_RENAMEFOLDER, SHCNF_IDLIST, pidlSrc, pidlDest);
 876         else
 877             SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_IDLIST, pidlSrc, pidlDest);
 878         ILFree(pidlSrc);
 879         ILFree(pidlDest);
 880         if (ppidlOut)
 881             *ppidlOut = pidlNew;
 882         else
 883             ILFree(pidlNew);
 884         return S_OK;
 885     }
 886     return E_FAIL;
 887 }
 888
 889 static HRESULT WINAPI UnixFolder_IShellFolder2_EnumSearches(IShellFolder2* iface,
 890     IEnumExtraSearch **ppEnum)
 891 {
 892     TRACE("stub\n");
 893     return E_NOTIMPL;
 894 }
 895
 896 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumn(IShellFolder2* iface,
 897     DWORD dwReserved, ULONG *pSort, ULONG *pDisplay)
 898 {
 899     TRACE("stub\n");
 900     return E_NOTIMPL;
 901 }
 902
 903 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultColumnState(IShellFolder2* iface,
 904     UINT iColumn, SHCOLSTATEF *pcsFlags)
 905 {
 906     TRACE("stub\n");
 907     return E_NOTIMPL;
 908 }
 909
 910 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDefaultSearchGUID(IShellFolder2* iface,
 911     GUID *pguid)
 912 {
 913     TRACE("stub\n");
 914     return E_NOTIMPL;
 915 }
 916
 917 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsEx(IShellFolder2* iface,
 918     LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 919 {
 920     TRACE("stub\n");
 921     return E_NOTIMPL;
 922 }
 923
 924 #define SHELLVIEWCOLUMNS 6
 925
 926 static HRESULT WINAPI UnixFolder_IShellFolder2_GetDetailsOf(IShellFolder2* iface,
 927     LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *psd)
 928 {
 929     UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
 930     HRESULT hr = E_FAIL;
 931     struct passwd *pPasswd;
 932     struct group *pGroup;
 933     static const shvheader SFHeader[SHELLVIEWCOLUMNS] = {
 934         {IDS_SHV_COLUMN1,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 935         {IDS_SHV_COLUMN5,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
 936         {IDS_SHV_COLUMN10, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 937         {IDS_SHV_COLUMN11, SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 7},
 938         {IDS_SHV_COLUMN2,  SHCOLSTATE_TYPE_STR  | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 8},
 939         {IDS_SHV_COLUMN4,  SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10}
 940     };
 941
 942     TRACE("(iface=%p, pidl=%p, iColumn=%d, psd=%p) stub\n", iface, pidl, iColumn, psd);
 943
 944     if (!psd || iColumn >= SHELLVIEWCOLUMNS)
 945         return E_INVALIDARG;
 946
 947     if (!pidl) {
 948         psd->fmt = SFHeader[iColumn].fmt;
 949         psd->cxChar = SFHeader[iColumn].cxChar;
 950         psd->str.uType = STRRET_CSTR;
 951         LoadStringA(shell32_hInstance, SFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 952         return S_OK;
 953     } else {
 954         struct stat statItem;
 955         if (iColumn == 1 || iColumn == 2 || iColumn == 3) {
 956             char szPath[FILENAME_MAX], *pszFile = _ILGetTextPointer(pidl);
 957             if (!pszFile)
 958                 return E_INVALIDARG;
 959             lstrcpyA(szPath, This->m_pszPath);
 960             lstrcatA(szPath, pszFile);
 961             if (stat(szPath, &statItem))
 962                 return E_INVALIDARG;
 963         }
 964         psd->str.u.cStr[0] = '\0';
 965         psd->str.uType = STRRET_CSTR;
 966         switch (iColumn) {
 967             case 0:
 968                 hr = IShellFolder2_GetDisplayNameOf(iface, pidl, SHGDN_NORMAL|SHGDN_INFOLDER, &psd->str);
 969                 break;
 970             case 1:
 971                 psd->str.u.cStr[0] = S_ISDIR(statItem.st_mode) ? 'd' : '-';
 972                 psd->str.u.cStr[1] = (statItem.st_mode & S_IRUSR) ? 'r' : '-';
 973                 psd->str.u.cStr[2] = (statItem.st_mode & S_IWUSR) ? 'w' : '-';
 974                 psd->str.u.cStr[3] = (statItem.st_mode & S_IXUSR) ? 'x' : '-';
 975                 psd->str.u.cStr[4] = (statItem.st_mode & S_IRGRP) ? 'r' : '-';
 976                 psd->str.u.cStr[5] = (statItem.st_mode & S_IWGRP) ? 'w' : '-';
 977                 psd->str.u.cStr[6] = (statItem.st_mode & S_IXGRP) ? 'x' : '-';
 978                 psd->str.u.cStr[7] = (statItem.st_mode & S_IROTH) ? 'r' : '-';
 979                 psd->str.u.cStr[8] = (statItem.st_mode & S_IWOTH) ? 'w' : '-';
 980                 psd->str.u.cStr[9] = (statItem.st_mode & S_IXOTH) ? 'x' : '-';
 981                 psd->str.u.cStr[10] = '\0';
 982                 break;
 983             case 2:
 984                 pPasswd = getpwuid(statItem.st_uid);
 985                 if (pPasswd) strcpy(psd->str.u.cStr, pPasswd->pw_name);
 986                 break;
 987             case 3:
 988                 pGroup = getgrgid(statItem.st_gid);
 989                 if (pGroup) strcpy(psd->str.u.cStr, pGroup->gr_name);
 990                 break;
 991             case 4:
 992                 _ILGetFileSize(pidl, psd->str.u.cStr, MAX_PATH);
 993                 break;
 994             case 5:
 995                 _ILGetFileDate(pidl, psd->str.u.cStr, MAX_PATH);
 996                 break;
 997         }
 998     }
 999
1000     return hr;
1001 }
1002
1003 static HRESULT WINAPI UnixFolder_IShellFolder2_MapColumnToSCID(IShellFolder2* iface, UINT iColumn,
1004     SHCOLUMNID *pscid)
1005 {
1006     TRACE("stub\n");
1007     return E_NOTIMPL;
1008 }
1009
1010 /* VTable for UnixFolder's IShellFolder2 interface.
1011  */
1012 static const IShellFolder2Vtbl UnixFolder_IShellFolder2_Vtbl = {
1013     UnixFolder_IShellFolder2_QueryInterface,
1014     UnixFolder_IShellFolder2_AddRef,
1015     UnixFolder_IShellFolder2_Release,
1016     UnixFolder_IShellFolder2_ParseDisplayName,
1017     UnixFolder_IShellFolder2_EnumObjects,
1018     UnixFolder_IShellFolder2_BindToObject,
1019     UnixFolder_IShellFolder2_BindToStorage,
1020     UnixFolder_IShellFolder2_CompareIDs,
1021     UnixFolder_IShellFolder2_CreateViewObject,
1022     UnixFolder_IShellFolder2_GetAttributesOf,
1023     UnixFolder_IShellFolder2_GetUIObjectOf,
1024     UnixFolder_IShellFolder2_GetDisplayNameOf,
1025     UnixFolder_IShellFolder2_SetNameOf,
1026     UnixFolder_IShellFolder2_GetDefaultSearchGUID,
1027     UnixFolder_IShellFolder2_EnumSearches,
1028     UnixFolder_IShellFolder2_GetDefaultColumn,
1029     UnixFolder_IShellFolder2_GetDefaultColumnState,
1030     UnixFolder_IShellFolder2_GetDetailsEx,
1031     UnixFolder_IShellFolder2_GetDetailsOf,
1032     UnixFolder_IShellFolder2_MapColumnToSCID
1033 };
1034
1035 static HRESULT WINAPI UnixFolder_IPersistFolder2_QueryInterface(IPersistFolder2* This, REFIID riid,
1036     void** ppvObject)
1037 {
1038     return UnixFolder_IShellFolder2_QueryInterface(
1039                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This), riid, ppvObject);
1040 }
1041
1042 static ULONG WINAPI UnixFolder_IPersistFolder2_AddRef(IPersistFolder2* This)
1043 {
1044     return UnixFolder_IShellFolder2_AddRef(
1045                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1046 }
1047
1048 static ULONG WINAPI UnixFolder_IPersistFolder2_Release(IPersistFolder2* This)
1049 {
1050     return UnixFolder_IShellFolder2_Release(
1051                 (IShellFolder2*)ADJUST_THIS(UnixFolder, IPersistFolder2, This));
1052 }
1053
1054 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetClassID(IPersistFolder2* This, CLSID* pClassID)
1055 {
1056     TRACE("stub\n");
1057     return E_NOTIMPL;
1058 }
1059
1060 static HRESULT WINAPI UnixFolder_IPersistFolder2_Initialize(IPersistFolder2* iface, LPCITEMIDLIST pidl)
1061 {
1062     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1063     struct stat statPrefix;
1064     LPCITEMIDLIST current = pidl, root;
1065     DWORD dwPathLen;
1066     char *pNextDir, szBasePath[FILENAME_MAX] = "/";
1067
1068     TRACE("(iface=%p, pidl=%p)\n", iface, pidl);
1069
1070     /* Find the UnixFolderClass root */
1071     while (current->mkid.cb) {
1072         if (_ILIsSpecialFolder(current) &&
1073             (IsEqualIID(&CLSID_UnixFolder, _ILGetGUIDPointer(current)) ||
1074              IsEqualIID(&CLSID_UnixDosFolder, _ILGetGUIDPointer(current))))
1075         {
1076             break;
1077         }
1078         current = ILGetNext(current);
1079     }
1080
1081     if (current && current->mkid.cb) {
1082         root = current = ILGetNext(current);
1083         dwPathLen = 2; /* For the '/' prefix and the terminating '\0' */
1084     } else if (_ILIsDesktop(pidl) || _ILIsValue(pidl) || _ILIsFolder(pidl)) {
1085         /* Path rooted at Desktop */
1086         WCHAR wszDesktopPath[MAX_PATH];
1087         if (FAILED(SHGetSpecialFolderPathW(0, wszDesktopPath, CSIDL_DESKTOP, FALSE)))
1088            return E_FAIL;
1089         PathAddBackslashW(wszDesktopPath);
1090         if (!UNIXFS_get_unix_path(wszDesktopPath, szBasePath))
1091             return E_FAIL;
1092         dwPathLen = strlen(szBasePath) + 1;
1093         root = current = pidl;
1094     } else {
1095         ERR("Unknown pidl type!\n");
1096         pdump(pidl);
1097         return E_INVALIDARG;
1098     }
1099
1100     /* Determine the path's length bytes */
1101     while (current && current->mkid.cb) {
1102         dwPathLen += NAME_LEN_FROM_LPSHITEMID(current) + 1; /* For the '/' */
1103         current = ILGetNext(current);
1104     };
1105
1106     /* Build the path */
1107     This->m_dwAttributes = SFGAO_FOLDER|SFGAO_HASSUBFOLDER|SFGAO_FILESYSANCESTOR|SFGAO_CANRENAME;
1108     This->m_pidlLocation = ILClone(pidl);
1109     This->m_pszPath = pNextDir = SHAlloc(dwPathLen);
1110     if (!This->m_pszPath || !This->m_pidlLocation) {
1111         WARN("SHAlloc failed!\n");
1112         return E_FAIL;
1113     }
1114     current = root;
1115     strcpy(pNextDir, szBasePath);
1116     pNextDir += strlen(szBasePath);
1117     if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1118         *pNextDir = '\0';
1119         if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1120             This->m_dwAttributes |= SFGAO_FILESYSTEM;
1121     }
1122     while (current && current->mkid.cb) {
1123         memcpy(pNextDir, _ILGetTextPointer(current), NAME_LEN_FROM_LPSHITEMID(current));
1124         pNextDir += NAME_LEN_FROM_LPSHITEMID(current);
1125         if (!(This->m_dwAttributes & SFGAO_FILESYSTEM)) {
1126             *pNextDir = '\0';
1127             if (!stat(This->m_pszPath, &statPrefix) && UNIXFS_is_dos_device(&statPrefix))
1128                 This->m_dwAttributes |= SFGAO_FILESYSTEM;
1129         }
1130         *pNextDir++ = '/';
1131         current = ILGetNext(current);
1132     }
1133     *pNextDir='\0';
1134
1135     return S_OK;
1136 }
1137
1138 static HRESULT WINAPI UnixFolder_IPersistFolder2_GetCurFolder(IPersistFolder2* iface, LPITEMIDLIST* ppidl)
1139 {
1140     UnixFolder *This = ADJUST_THIS(UnixFolder, IPersistFolder2, iface);
1141
1142     TRACE ("(iface=%p, ppidl=%p)\n", iface, ppidl);
1143
1144     if (!ppidl)
1145         return E_POINTER;
1146     *ppidl = ILClone (This->m_pidlLocation);
1147     return S_OK;
1148 }
1149
1150 /* VTable for UnixFolder's IPersistFolder interface.
1151  */
1152 static const IPersistFolder2Vtbl UnixFolder_IPersistFolder2_Vtbl = {
1153     UnixFolder_IPersistFolder2_QueryInterface,
1154     UnixFolder_IPersistFolder2_AddRef,
1155     UnixFolder_IPersistFolder2_Release,
1156     UnixFolder_IPersistFolder2_GetClassID,
1157     UnixFolder_IPersistFolder2_Initialize,
1158     UnixFolder_IPersistFolder2_GetCurFolder
1159 };
1160
1161 static HRESULT WINAPI UnixFolder_ISFHelper_QueryInterface(ISFHelper* iface, REFIID riid,
1162     void** ppvObject)
1163 {
1164     return UnixFolder_IShellFolder2_QueryInterface(
1165                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface), riid, ppvObject);
1166 }
1167
1168 static ULONG WINAPI UnixFolder_ISFHelper_AddRef(ISFHelper* iface)
1169 {
1170     return UnixFolder_IShellFolder2_AddRef(
1171                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1172 }
1173
1174 static ULONG WINAPI UnixFolder_ISFHelper_Release(ISFHelper* iface)
1175 {
1176     return UnixFolder_IShellFolder2_Release(
1177                 (IShellFolder2*)ADJUST_THIS(UnixFolder, ISFHelper, iface));
1178 }
1179
1180 static HRESULT WINAPI UnixFolder_ISFHelper_GetUniqueName(ISFHelper* iface, LPSTR lpName, UINT uLen)
1181 {
1182     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1183     IEnumIDList *pEnum;
1184     HRESULT hr;
1185     LPITEMIDLIST pidlElem;
1186     DWORD dwFetched;
1187     int i;
1188     static const char szNewFolder[] = "New Folder";
1189
1190     TRACE("(iface=%p, lpName=%p, uLen=%u)\n", iface, lpName, uLen);
1191
1192     if (uLen < sizeof(szNewFolder)+3)
1193         return E_INVALIDARG;
1194
1195     hr = IShellFolder2_EnumObjects(STATIC_CAST(IShellFolder2, This), 0,
1196                                    SHCONTF_FOLDERS|SHCONTF_NONFOLDERS|SHCONTF_INCLUDEHIDDEN, &pEnum);
1197     if (SUCCEEDED(hr)) {
1198         lstrcpyA(lpName, szNewFolder);
1199         IEnumIDList_Reset(pEnum);
1200         i = 2;
1201         while ((IEnumIDList_Next(pEnum, 1, &pidlElem, &dwFetched) == S_OK) && (dwFetched == 1)) {
1202             if (!strcasecmp(_ILGetTextPointer(pidlElem), lpName)) {
1203                 IEnumIDList_Reset(pEnum);
1204                 sprintf(lpName, "%s %d", szNewFolder, i++);
1205                 if (i > 99) {
1206                     hr = E_FAIL;
1207                     break;
1208                 }
1209             }
1210         }
1211         IEnumIDList_Release(pEnum);
1212     }
1213     return hr;
1214 }
1215
1216 static HRESULT WINAPI UnixFolder_ISFHelper_AddFolder(ISFHelper* iface, HWND hwnd, LPCSTR pszName,
1217     LPITEMIDLIST* ppidlOut)
1218 {
1219     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1220     char szNewDir[FILENAME_MAX];
1221
1222     TRACE("(iface=%p, hwnd=%p, pszName=%s, ppidlOut=%p)\n", iface, hwnd, pszName, ppidlOut);
1223
1224     if (ppidlOut)
1225         *ppidlOut = NULL;
1226
1227     lstrcpyA(szNewDir, This->m_pszPath);
1228     lstrcatA(szNewDir, pszName);
1229
1230     if (mkdir(szNewDir, 0755)) {
1231         char szMessage[256 + FILENAME_MAX];
1232         char szCaption[256];
1233
1234         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_DENIED, szCaption, sizeof(szCaption));
1235         sprintf(szMessage, szCaption, szNewDir);
1236         LoadStringA(shell32_hInstance, IDS_CREATEFOLDER_CAPTION, szCaption, sizeof(szCaption));
1237         MessageBoxA(hwnd, szMessage, szCaption, MB_OK | MB_ICONEXCLAMATION);
1238
1239         return E_FAIL;
1240     } else {
1241         LPITEMIDLIST pidlRelative;
1242         WCHAR wszName[MAX_PATH];
1243
1244         /* Inform the shell */
1245         MultiByteToWideChar(CP_ACP, 0, pszName, -1, wszName, MAX_PATH);
1246         if (UNIXFS_path_to_pidl(This, wszName, &pidlRelative)) {
1247             LPITEMIDLIST pidlAbsolute = ILCombine(This->m_pidlLocation, pidlRelative);
1248             if (ppidlOut)
1249                 *ppidlOut = pidlRelative;
1250             else
1251                 ILFree(pidlRelative);
1252             SHChangeNotify(SHCNE_MKDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1253             ILFree(pidlAbsolute);
1254         }
1255         return S_OK;
1256     }
1257 }
1258
1259 static HRESULT WINAPI UnixFolder_ISFHelper_DeleteItems(ISFHelper* iface, UINT cidl,
1260     LPCITEMIDLIST* apidl)
1261 {
1262     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1263     char szAbsolute[FILENAME_MAX], *pszRelative;
1264     LPITEMIDLIST pidlAbsolute;
1265     HRESULT hr = S_OK;
1266     UINT i;
1267
1268     TRACE("(iface=%p, cidl=%d, apidl=%p)\n", iface, cidl, apidl);
1269
1270     lstrcpyA(szAbsolute, This->m_pszPath);
1271     pszRelative = szAbsolute + lstrlenA(szAbsolute);
1272
1273     for (i=0; i<cidl && SUCCEEDED(hr); i++) {
1274         lstrcpyA(pszRelative, _ILGetTextPointer(apidl[i]));
1275         pidlAbsolute = ILCombine(This->m_pidlLocation, apidl[i]);
1276         if (_ILIsFolder(apidl[i])) {
1277             if (rmdir(szAbsolute)) {
1278                 hr = E_FAIL;
1279             } else {
1280                 SHChangeNotify(SHCNE_RMDIR, SHCNF_IDLIST, pidlAbsolute, NULL);
1281             }
1282         } else if (_ILIsValue(apidl[i])) {
1283             if (unlink(szAbsolute)) {
1284                 hr = E_FAIL;
1285             } else {
1286                 SHChangeNotify(SHCNE_DELETE, SHCNF_IDLIST, pidlAbsolute, NULL);
1287             }
1288         }
1289         ILFree(pidlAbsolute);
1290     }
1291
1292     return hr;
1293 }
1294
1295 static HRESULT WINAPI UnixFolder_ISFHelper_CopyItems(ISFHelper* iface, IShellFolder *psfFrom,
1296     UINT cidl, LPCITEMIDLIST *apidl)
1297 {
1298     UnixFolder *This = ADJUST_THIS(UnixFolder, ISFHelper, iface);
1299     DWORD dwAttributes;
1300     UINT i;
1301     HRESULT hr;
1302     char szAbsoluteDst[FILENAME_MAX], *pszRelativeDst;
1303
1304     TRACE("(iface=%p, psfFrom=%p, cidl=%d, apidl=%p): semi-stub\n", iface, psfFrom, cidl, apidl);
1305
1306     if (!psfFrom || !cidl || !apidl)
1307         return E_INVALIDARG;
1308
1309     /* All source items have to be filesystem items. */
1310     dwAttributes = SFGAO_FILESYSTEM;
1311     hr = IShellFolder_GetAttributesOf(psfFrom, cidl, apidl, &dwAttributes);
1312     if (FAILED(hr) || !(dwAttributes & SFGAO_FILESYSTEM))
1313         return E_INVALIDARG;
1314
1315     lstrcpyA(szAbsoluteDst, This->m_pszPath);
1316     pszRelativeDst = szAbsoluteDst + strlen(szAbsoluteDst);
1317
1318     for (i=0; i<cidl; i++) {
1319         WCHAR wszSrc[MAX_PATH];
1320         char szSrc[FILENAME_MAX];
1321         STRRET strret;
1322
1323         /* Build the unix path of the current source item. */
1324         if (FAILED(IShellFolder_GetDisplayNameOf(psfFrom, apidl[i], SHGDN_FORPARSING, &strret)))
1325             return E_FAIL;
1326         if (FAILED(StrRetToBufW(&strret, apidl[i], wszSrc, MAX_PATH)))
1327             return E_FAIL;
1328         if (!UNIXFS_get_unix_path(wszSrc, szSrc))
1329             return E_FAIL;
1330
1331         /* Build the unix path of the current destination item */
1332         lstrcpyA(pszRelativeDst, _ILGetTextPointer(apidl[i]));
1333
1334         FIXME("Would copy %s to %s. Not yet implemented.\n", szSrc, szAbsoluteDst);
1335     }
1336     return S_OK;
1337 }
1338
1339 /* VTable for UnixFolder's ISFHelper interface
1340  */
1341 static const ISFHelperVtbl UnixFolder_ISFHelper_Vtbl = {
1342     UnixFolder_ISFHelper_QueryInterface,
1343     UnixFolder_ISFHelper_AddRef,
1344     UnixFolder_ISFHelper_Release,
1345     UnixFolder_ISFHelper_GetUniqueName,
1346     UnixFolder_ISFHelper_AddFolder,
1347     UnixFolder_ISFHelper_DeleteItems,
1348     UnixFolder_ISFHelper_CopyItems
1349 };
1350
1351 /******************************************************************************
1352  * Unix[Dos]Folder_Constructor [Internal]
1353  *
1354  * PARAMS
1355  *  pUnkOuter [I] Outer class for aggregation. Currently ignored.
1356  *  riid      [I] Interface asked for by the client.
1357  *  ppv       [O] Pointer to an riid interface to the UnixFolder object.
1358  *
1359  * NOTES
1360  *  Those are the only functions exported from shfldr_unixfs.c. They are called from
1361  *  shellole.c's default class factory and thus have to exhibit a LPFNCREATEINSTANCE
1362  *  compatible signature.
1363  *
1364  *  The UnixDosFolder_Constructor sets the dwPathMode member to PATHMODE_DOS. This
1365  *  means that paths are converted from dos to unix and back at the interfaces.
1366  */
1367 static HRESULT CreateUnixFolder(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv, DWORD dwPathMode) {
1368     HRESULT hr = E_FAIL;
1369     UnixFolder *pUnixFolder = SHAlloc((ULONG)sizeof(UnixFolder));
1370
1371     if(pUnixFolder) {
1372         pUnixFolder->lpIShellFolder2Vtbl = &UnixFolder_IShellFolder2_Vtbl;
1373         pUnixFolder->lpIPersistFolder2Vtbl = &UnixFolder_IPersistFolder2_Vtbl;
1374         pUnixFolder->lpISFHelperVtbl = &UnixFolder_ISFHelper_Vtbl;
1375         pUnixFolder->m_cRef = 0;
1376         pUnixFolder->m_pszPath = NULL;
1377         pUnixFolder->m_dwPathMode = dwPathMode;
1378
1379         UnixFolder_IShellFolder2_AddRef(STATIC_CAST(IShellFolder2, pUnixFolder));
1380         hr = UnixFolder_IShellFolder2_QueryInterface(STATIC_CAST(IShellFolder2, pUnixFolder), riid, ppv);
1381         UnixFolder_IShellFolder2_Release(STATIC_CAST(IShellFolder2, pUnixFolder));
1382     }
1383     return hr;
1384 }
1385
1386 HRESULT WINAPI UnixFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1387     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1388     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_UNIX);
1389 }
1390
1391 HRESULT WINAPI UnixDosFolder_Constructor(IUnknown *pUnkOuter, REFIID riid, LPVOID *ppv) {
1392     TRACE("(pUnkOuter=%p, riid=%p, ppv=%p)\n", pUnkOuter, riid, ppv);
1393     return CreateUnixFolder(pUnkOuter, riid, ppv, PATHMODE_DOS);
1394 }
1395
1396 /******************************************************************************
1397  * UnixSubFolderIterator
1398  *
1399  * Class whose heap based objects represent iterators over the sub-directories
1400  * of a given UnixFolder object.
1401  */
1402
1403 /* UnixSubFolderIterator object layout and typedef.
1404  */
1405 typedef struct _UnixSubFolderIterator {
1406     const IEnumIDListVtbl *lpIEnumIDListVtbl;
1407     LONG m_cRef;
1408     SHCONTF m_fFilter;
1409     DIR *m_dirFolder;
1410     char m_szFolder[FILENAME_MAX];
1411 } UnixSubFolderIterator;
1412
1413 static void UnixSubFolderIterator_Destroy(UnixSubFolderIterator *iterator) {
1414     TRACE("(iterator=%p)\n", iterator);
1415
1416     if (iterator->m_dirFolder)
1417         closedir(iterator->m_dirFolder);
1418     SHFree(iterator);
1419 }
1420
1421 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_QueryInterface(IEnumIDList* iface,
1422     REFIID riid, void** ppv)
1423 {
1424     TRACE("(iface=%p, riid=%p, ppv=%p)\n", iface, riid, ppv);
1425
1426     if (!ppv) return E_INVALIDARG;
1427
1428     if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IEnumIDList, riid)) {
1429         *ppv = iface;
1430     } else {
1431         *ppv = NULL;
1432         return E_NOINTERFACE;
1433     }
1434
1435     IEnumIDList_AddRef(iface);
1436     return S_OK;
1437 }
1438
1439 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_AddRef(IEnumIDList* iface)
1440 {
1441     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1442
1443     TRACE("(iface=%p)\n", iface);
1444
1445     return InterlockedIncrement(&This->m_cRef);
1446 }
1447
1448 static ULONG WINAPI UnixSubFolderIterator_IEnumIDList_Release(IEnumIDList* iface)
1449 {
1450     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1451     ULONG cRef;
1452
1453     TRACE("(iface=%p)\n", iface);
1454
1455     cRef = InterlockedDecrement(&This->m_cRef);
1456
1457     if (!cRef)
1458         UnixSubFolderIterator_Destroy(This);
1459
1460     return cRef;
1461 }
1462
1463 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Next(IEnumIDList* iface, ULONG celt,
1464     LPITEMIDLIST* rgelt, ULONG* pceltFetched)
1465 {
1466     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1467     ULONG i = 0;
1468
1469     /* This->m_dirFolder will be NULL if the user doesn't have access rights for the dir. */
1470     if (This->m_dirFolder) {
1471         char *pszRelativePath = This->m_szFolder + lstrlenA(This->m_szFolder);
1472         struct dirent *pDirEntry;
1473
1474         while (i < celt) {
1475             pDirEntry = readdir(This->m_dirFolder);
1476             if (!pDirEntry) break; /* No more entries */
1477             if (!strcmp(pDirEntry->d_name, ".") || !strcmp(pDirEntry->d_name, "..")) continue;
1478
1479             /* Temporarily build absolute path in This->m_szFolder. Then construct a pidl
1480              * and see if it passes the filter.
1481              */
1482             lstrcpyA(pszRelativePath, pDirEntry->d_name);
1483             rgelt[i] = (LPITEMIDLIST)SHAlloc(SHITEMID_LEN_FROM_NAME_LEN(lstrlenA(pszRelativePath))+sizeof(USHORT));
1484             if (!UNIXFS_build_shitemid(This->m_szFolder, rgelt[i]) ||
1485                 !UNIXFS_is_pidl_of_type(rgelt[i], This->m_fFilter))
1486             {
1487                 SHFree(rgelt[i]);
1488                 continue;
1489             }
1490             memset(((PBYTE)rgelt[i])+rgelt[i]->mkid.cb, 0, sizeof(USHORT));
1491             i++;
1492         }
1493         *pszRelativePath = '\0'; /* Restore the original path in This->m_szFolder. */
1494     }
1495
1496     if (pceltFetched)
1497         *pceltFetched = i;
1498
1499     return (i == 0) ? S_FALSE : S_OK;
1500 }
1501
1502 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Skip(IEnumIDList* iface, ULONG celt)
1503 {
1504     LPITEMIDLIST *apidl;
1505     ULONG cFetched;
1506     HRESULT hr;
1507
1508     TRACE("(iface=%p, celt=%ld)\n", iface, celt);
1509
1510     /* Call IEnumIDList::Next and delete the resulting pidls. */
1511     apidl = (LPITEMIDLIST*)SHAlloc(celt * sizeof(LPITEMIDLIST));
1512     hr = IEnumIDList_Next(iface, celt, apidl, &cFetched);
1513     if (SUCCEEDED(hr))
1514         while (cFetched--)
1515             SHFree(apidl[cFetched]);
1516     SHFree(apidl);
1517
1518     return hr;
1519 }
1520
1521 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Reset(IEnumIDList* iface)
1522 {
1523     UnixSubFolderIterator *This = ADJUST_THIS(UnixSubFolderIterator, IEnumIDList, iface);
1524
1525     TRACE("(iface=%p)\n", iface);
1526
1527     if (This->m_dirFolder)
1528         rewinddir(This->m_dirFolder);
1529
1530     return S_OK;
1531 }
1532
1533 static HRESULT WINAPI UnixSubFolderIterator_IEnumIDList_Clone(IEnumIDList* This,
1534     IEnumIDList** ppenum)
1535 {
1536     TRACE("stub\n");
1537     return E_NOTIMPL;
1538 }
1539
1540 /* VTable for UnixSubFolderIterator's IEnumIDList interface.
1541  */
1542 static const IEnumIDListVtbl UnixSubFolderIterator_IEnumIDList_Vtbl = {
1543     UnixSubFolderIterator_IEnumIDList_QueryInterface,
1544     UnixSubFolderIterator_IEnumIDList_AddRef,
1545     UnixSubFolderIterator_IEnumIDList_Release,
1546     UnixSubFolderIterator_IEnumIDList_Next,
1547     UnixSubFolderIterator_IEnumIDList_Skip,
1548     UnixSubFolderIterator_IEnumIDList_Reset,
1549     UnixSubFolderIterator_IEnumIDList_Clone
1550 };
1551
1552 static IUnknown *UnixSubFolderIterator_Constructor(UnixFolder *pUnixFolder, SHCONTF fFilter) {
1553     UnixSubFolderIterator *iterator;
1554
1555     TRACE("(pUnixFolder=%p)\n", pUnixFolder);
1556
1557     iterator = SHAlloc((ULONG)sizeof(UnixSubFolderIterator));
1558     iterator->lpIEnumIDListVtbl = &UnixSubFolderIterator_IEnumIDList_Vtbl;
1559     iterator->m_cRef = 0;
1560     iterator->m_fFilter = fFilter;
1561     iterator->m_dirFolder = opendir(pUnixFolder->m_pszPath);
1562     lstrcpyA(iterator->m_szFolder, pUnixFolder->m_pszPath);
1563
1564     UnixSubFolderIterator_IEnumIDList_AddRef((IEnumIDList*)iterator);
1565
1566     return (IUnknown*)iterator;
1567 }